INTERNATIONAL ELECTROTECHNICAL COMMISSION. (2002). BASIC AND SAFETY PRINCIPLES FOR MAN-MACHINE INTERFACE,MARKETING AND IDENTIFICATION (6TH.). IEC.
Chicago-viite (17. p.)INTERNATIONAL ELECTROTECHNICAL COMMISSION. BASIC AND SAFETY PRINCIPLES FOR MAN-MACHINE INTERFACE,MARKETING AND IDENTIFICATION. 6TH. GENEVA: IEC, 2002.
MLA-viite (9. p.)INTERNATIONAL ELECTROTECHNICAL COMMISSION. BASIC AND SAFETY PRINCIPLES FOR MAN-MACHINE INTERFACE,MARKETING AND IDENTIFICATION. 6TH. IEC, 2002.
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